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GENATLAS PHENOTYPE
last update : 07-11-2016
Symbol PPPK
Location 8q24.12
Name punctate palmoplantar keratoderma
Other name(s) Keratoderma, palmoplantar, punctate type IB
Corresponding gene COL14A1
Other symbol(s) PPKP1B
Main clinical features
  • numerous hyperkeratotic papules irregularly distributed on the palms and soles
  • skin biopsy of the lesions showed notable hyperkeratosis with large, wide, and cup-like keratin plugs
  • Genetic determination autosomal dominant
    Function/system disorder dermatology
    Type disease
    Remark(s)